IDB WPTs: Extend idbdatabase transaction tests to worker environments.

The change updates IDBDatabase transaction() related WPTs to also run on dedicated, service, and shared workers. Currently, these only run in window environments.

Bug: 41455766
Change-Id: I1e21af2c3402e58747848c19bfcf85c2e528b284
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5671037
Commit-Queue: Rahul Singh <rahsin@microsoft.com>
Auto-Submit: Garima Chadha <garimachadha@microsoft.com>
Reviewed-by: Evan Stade <estade@chromium.org>
Reviewed-by: Rahul Singh <rahsin@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#1323082}

IndexedDB/idbdatabase_transaction.any.js

@@ -0,0 +1,82 @@
+// META: title=IDBDatabase.transaction()
+// META: global=window,worker
+// META: script=resources/support.js
+
+'use strict';
+
+async_test(t => {
+    let db;
+    const open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function () { };
+    open_rq.onsuccess = function (e) {
+        db = e.target.result;
+
+        assert_throws_dom('NotFoundError', function () { db.transaction('non-existing'); });
+        t.done();
+    };
+}, "Attempt to open a transaction with invalid scope");
+
+async_test(t => {
+    let db;
+    const open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function (e) {
+        db = e.target.result;
+        db.createObjectStore('readonly');
+    };
+    open_rq.onsuccess = function (e) {
+        var txn = db.transaction('readonly', 'readonly', { durability: 'relaxed' });
+        assert_equals(txn.mode, "readonly", 'txn.mode');
+
+        t.done();
+    };
+}, "Opening a transaction defaults to a read-only mode");
+
+async_test(t => {
+    let db;
+    const open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function (e) {
+        db = e.target.result;
+        db.createObjectStore('test');
+    };
+
+    open_rq.onsuccess = function (e) {
+        db.close();
+
+        assert_throws_dom('InvalidStateError',
+            function () { db.transaction('test', 'readonly', { durability: 'relaxed' }); });
+
+        t.done();
+    };
+}, "Attempt to open a transaction from closed database connection");
+
+async_test(t => {
+    let db;
+    const open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function (e) {
+        db = e.target.result;
+        db.createObjectStore('test');
+    };
+
+    open_rq.onsuccess = function (e) {
+        assert_throws_js(TypeError,
+            function () { db.transaction('test', 'whatever'); });
+
+        t.done();
+    };
+}, "Attempt to open a transaction with invalid mode");
+
+async_test(t => {
+    let db;
+    const open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function () { };
+    open_rq.onsuccess = function (e) {
+        db = e.target.result;
+        assert_throws_dom('InvalidAccessError', function () { db.transaction([]); });
+        t.done();
+    };
+}, "If storeNames is an empty list, the implementation must throw a DOMException of type InvalidAccessError");